Real questions from top companies · easy
Explain and implement Semaphore in Java
Explain techniques for ensuring data quality in cross-functional team scenarios
Explain the difference between mutable and immutable objects in Python.
Explain the differences between multiprocessing and multithreading.
Explain the internal working of a HashMap
Explain this code: [f(2) for f in [lambda x: x * i for i in range(5)]].
Fibonacci Series Problem - solve using brute force and optimized approaches
Find pairs with sum X from a list of numbers
Find the Lowest Common Ancestor (LCA) in a Binary Tree.
Find the minimum and maximum values in an array
Find the next greatest element in a linked list.
Find the three numbers from a list whose multiplication equals 180
Finding Complete String Pairs - identify pairs of strings that when concatenated contain all 26 English alphabets
Flatten nested lists recursively using Python
Garbage Collector in Python - explain
Given a list of integers, write a Python function to return the number of unique pairs that sum up to a target.
Given a list of intervals, merge the overlaps. How do you optimize it?
Given a string 'AAAVGXFHHFSGFGGLK', find the non-repeating letters.
Given an n-ary tree, write code to flatten it and store the output in a list.
Given the Infix, Prefix, or Postfix notation of an expression, write the code to compute the final result.
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